Home / 1,337,414.40-1,845,601.20-764,420.40

Finding the Fourth Proportional to 1,337,414.40, 1,845,601.20 and 764,420.40

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Solution

The fourth proportional to 1,337,414.40, 1,845,601.20 and 764,420.40 is: 1,054,882.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,414.40 : 1,845,601.20 = 764,420.40 : x
  2. Step 2: Convert to fraction form
    1,337,414.40/1,845,601.20 = 764,420.40/x
  3. Step 3: Cross multiply
    1,337,414.40x = 1,845,601.20 × 764,420.40
  4. Step 4: Simplify right side
    1,337,414.40x = 1,410,815,207,544.48
  5. Step 5: Solve for x
    x = 1,410,815,207,544.48/1,337,414.40
  6. Step 6: Final answer
    x = 1,054,882.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.